205 results about "Residual moisture" patented technology

The invention belongs to the technical field of thin film capacitors, and particularly relates to a chemical grafting modified polypropylene capacitor film material and a preparation method and application thereof. According to the preparation method of the chemical grafting modified polypropylene capacitor film material, provided by the invention, diethylenetriamine ethyl acrylate with a plurality of specific groups such as amino groups and carboxyl groups and unsaturated double bonds is synthesized through esterification reaction, and the diethylenetriamine ethyl acrylate is introduced into a polypropylene material through chemical grafting to obtain chemical grafting modified polypropylene; the prepared polypropylene capacitor film material has the excellent properties of good compatibility, difficulty in film breakage, capability of adsorbing and removing residual moisture, difficulty in oxidation corrosion, excellent breakdown resistance and the like, and the preparation method is a preparation method of the high-performance polypropylene capacitor film material; therefore, the technical problem that a polypropylene capacitor film material prepared in the prior art is low in performance is solved.

The present invention provides a method for preparing a carbon-containing lithium sulfide composite material, the method comprising: in a water-free and oxygen-free environment of a vacuum glove box, weighing a certain amount of lithium source and sulfur source, putting them into a ball mill, and then adding sodium borohydride according to a set ratio to mix evenly; sealing the ball mill, and passing an inert gas after evacuation, and then ball milling for a certain time at a set speed and after the ball milling is completed, taking out the lithium sulfide solid under the protection of the inert gas; dissolving and filtering the obtained lithium sulfide solid in anhydrous ethanol, and adding a certain amount of carbon source to the filtrate, stirring, and ultrasonic treatment; heating and evaporating to remove the solvent, and obtaining a solid Li2S / C precursor; placing the Li2S / C precursor in a vacuum freeze dryer, and freeze-drying to remove residual moisture to obtain a Li2S / C composite material. The present invention solves the problems of high cost and low purity when preparing lithium sulfide in the prior art.

The invention relates to the technical field of rail transit construction, and discloses an analogue simulation method for a shield mud film gas check test, which comprises the following steps: S1, establishing an analogue simulation system for the shield mud film gas check test; s2, preparing slurry according to requirements; s3, measuring the porosity, density, residual moisture content, water conductivity coefficient, elastic modulus, Poisson's ratio and water holding capacity parameters of the slurry and the stratum soil body; s4, all the material parameters obtained in the S3 are substituted into an analogue simulation system of the shield mud film air closing test, and then a small amount of mud film air closing tests are used for carrying out model verification; and S5, carrying out simulation calculation analysis. According to the method, an indoor gas closing test simulation model is established on the basis of a Biot pore elasticity theory under a fluid-solid coupling condition, different water holding capacity characteristics of a mud film and a stratum are considered, and model verification is carried out through a gas migration rule and leakage flow evolution data obtained through an indoor test; and the rapid evaluation of the closeness characteristic of the mud film under complex geological conditions and shield parameter working conditions is realized.

The invention discloses a landscape maintenance device for garden design. The landscape maintenance device comprises a supporting mechanism, a blocking mechanism and a limiting mechanism. The supporting mechanism comprises a spraying assembly, a pressure applying assembly, an electric telescopic rod, a supporting assembly and a liquid conveying assembly. The plugging mechanism comprises a plugging assembly and an extrusion assembly; the limiting mechanism comprises a pressure assembly and a buckle assembly. The spraying assembly comprises a spray head and an atomizing plate; the pressure applying assembly comprises a first fixing frame, a sliding blocking frame, a first spring and a pressing rod device. The extrusion assembly comprises a fixed pipe, a telescopic pipe, a round pipe and a ventilation device; an internal mechanism is driven through telescopic movement of the electric telescopic rod, residual liquid drops on the surface of the atomization plate are sucked in firstly, then collected objects are thoroughly blown out through high-pressure gas, residual water and impurities in the atomization plate and an internal flow channel are forcibly removed in a mechanical mode, manual intervention is reduced, and the atomization efficiency is improved. The service life of the atomizing plate and the nozzle runner is obviously prolonged, the maintenance cost is reduced, and the uniformity and reliability of each spraying are ensured.

The invention relates to the field of coal-based graphite purification monitoring management, and particularly discloses an operation data acquisition optimization analysis system based on a coal-based graphite purification system.The operation data acquisition optimization analysis system is characterized in that technological parameters of raw material pretreatment are preliminarily set, and the technological parameters are optimized according to particle size distribution after raw material pretreatment; preliminarily setting technological parameters of acid leaching, and optimizing the technological parameters according to the acid consumption rate and the reaction heat release temperature in the acid leaching process; preliminarily setting process parameters of alkali neutralization, and optimizing the process parameters according to the neutralization rate of the alkali neutralization process; preliminarily setting process parameters of washing and dewatering, and optimizing the process parameters according to the conductivity of a washing solution for washing and dewatering and the water content of a filter cake; preliminarily setting drying process parameters, and optimizing the process parameters according to the residual moisture content after drying; the self-adaptive optimization of key process parameters of each process link of coal-based graphite purification is realized, and the production efficiency and the product quality of coal-based graphite purification are better guaranteed.

The invention relates to the technical field of material conveying, in particular to dry-method scraper deslagging equipment which comprises a discharging frame, a conveying plate is fixedly mounted in the discharging frame and is divided into a horizontal section and an inclined section, the horizontal section is used for receiving slag, the inclined section is used for draining and lifting slag, a scraper chain is rotationally arranged on the inner wall of the discharging frame, and the scraper chain is connected with the discharging frame through a connecting rod. The conveying direction of the scraper chains is the same as that of the conveying plate, the two sets of scraper chains are symmetrically designed relative to the conveying plate, and slag scrapers arranged at equal intervals are arranged between the adjacent scraper chains; along with conveying of the scraper chain, ash can be gradually moved to one side of the inclined plane along the horizontal plane of the conveying plate until the ash is conveyed to a discharging opening in the inclined plane of the conveying plate, when the slag scraper conveys the slag from the inclined section, the ash can be lifted, residual water can be drained, and the requirement for dry-method slag discharging is met; and the whole deslagging environment can be designed into a sealed environment, so that the dissipation of dust is reduced.

The invention relates to the technical field of draining basket shell preparation, in particular to a multifunctional draining basket shell forming preparation process which comprises the following steps: (1) raw material pretreatment: selecting a PET (polyethylene terephthalate) raw material, and drying the PET raw material by a dryer for 6 hours; (2) melting treatment: adding the PET raw material treated in the step (1) into an injection molding machine, and uniformly melting the PET material by controlling the heating temperature of a screw rod; and (3) injection molding: injecting the molten material obtained in the step (2) into a mold, controlling the mold temperature of a hot runner to be 120 DEG C, and adopting a centrosymmetric pouring gate. The invention aims to solve the problems that when the draining basket is produced, residual moisture which is not removed can be quickly vaporized in the heating link of draining basket shell molding, gas generated by vaporization cannot be discharged in time, and the production cost is low. And obvious bubbles, crazes and other defects can be formed in the product or on the surface of the product.

The utility model relates to the technical field of freeze-drying equipment, in particular to a freeze-drying disc with a material separating function, a tray assembly and a separating assembly are arranged in the freeze-drying disc with the material separating function, the tray assembly is used for placing materials needing to be processed, the separating assembly comprises at least N first separating plates and at least one second separating plate, the two ends of each first partition plate are detachably installed on the two sides of the tray assembly, the second partition plates are installed on the first partition plates in the mode that the second partition plates and the first partition plates are mutually staggered so that a plurality of material grids arranged in a net shape can be formed in the tray assembly, and the installation positions of the second partition plates on the first partition plates can be adjusted. The size of each material grid is adjusted by adjusting the position of each second partition plate, and the materials are placed in the corresponding material grids to be freeze-dried according to the sublimation rate difference of different materials, so that the residual moisture difference of different types of materials in the same freeze-drying disc is reduced, and the quality of freeze-dried products is improved.

The utility model relates to the technical field of detection devices, in particular to a polyurethane material hydroscopicity detection device, which comprises a detection device main body, a protective cover and a handle, the protective cover is arranged at the top of the detection device main body, the protective cover is movably connected with the detection device main body, the handle is fixedly connected with the top of the protective cover, and the handle is movably connected with the protective cover. The detection device comprises a detection device main body, the detection device main body is provided with two handles, one side of each handle is provided with an adjusting button, the adjusting buttons are movably connected with a protective cover, and one side of the detection device main body is movably connected with a bin gate. The storage frame is hung on the hook at the bottom of the electronic scale through the hanging ring, the electronic scale is covered with the protective cover, and the temperature is set to be a certain temperature to dry polyurethane, so that residual moisture in the polyurethane can be discharged, and the experiment precision is improved.

The application relates to the technical field of coal mine safety, and provides a coal spontaneous combustion behavior evolution method and system under multi-physical field coupling. The temperature field of coal body spontaneous combustion changes the volume by affecting the deformation amount, the porosity of the coal body is calculated through the volume, and then the thermal deformation is driven; the thermal deformation influences the water diffusion through the porosity, the residual moisture saturation of the coal body and the liquid phase saturation, and then the water migration is driven in combination with the evaporation rate and the liquid phase saturation; the water migration drives the heat transfer in combination with the evaporation rate, the effective thermal conductivity and the coal oxidation reaction rate, a cycle of "heat transfer-thermal deformation-water-heat transfer" is formed, the "heat-force-water-heat" coupling closed loop during the coal body spontaneous combustion is realized, the two-way coupling of the seepage field, the temperature field and the mechanical field is realized, and the problem that the prediction is inaccurate due to the neglect of thermodynamic deformation and dynamic changes of pores in a traditional model is effectively solved.

The invention relates to the technical field of metal casting, and discloses a steel ladle baking intelligent control system, which comprises a waste gas monitoring unit for collecting humidity, temperature and flow parameters of waste gas in a discharge flue in real time; the feature extraction and stage recognition unit is used for calculating a baking entropy speed increase rate feature index based on the parameter coupling, and dynamically recognizing severe evaporation, evaporation slowing down, pure heating and soaking saturation stages; and the baking control unit sets a target entropy speed increasing rate interval according to the current stage, and homogenized drying and temperature rising are achieved in the steel ladle by adjusting heat output of the heating device. According to the method, the internal thermodynamic state of the steel ladle is dynamically analyzed through the entropy flow characteristics of the waste gas, self-adaptive precise regulation and control of the baking process are achieved, the problems of uneven baking and low energy efficiency caused by black box operation in a traditional method are solved, meanwhile, the penetrability verification capability on residual moisture is achieved, and the baking quality and the energy utilization efficiency are remarkably improved.

The utility model discloses a winding machine with good stability for capacitor processing, which relates to the technical field of winding machines and comprises a support frame, a first feeding shaft, a transmission shaft, a heating piece and an air drying piece, and the first feeding shaft, the transmission shaft, the heating piece and the air drying piece are mounted on the surface of the support frame. And a stabilizing piece is installed on the surface of the supporting frame, a second feeding shaft is arranged on the surface of the supporting frame, a cutter is arranged on the surface of the supporting frame, and a damping piece is arranged at the bottom of the supporting frame. Hot air is conveyed through the air heater, air of the air heater is conveyed through the fan cover, the air is blown to a roll film, residual water vapor is evaporated again, dust on the roll film is blown, the quality of the roll film is guaranteed, the upper portion of the roll film is pressed through the pressure sensing block, and the roll film is prevented from being damaged. The lower portion of the rolled film is controlled through the pressing wheels on the fixing columns, the rolled film is conveyed in a limited mode, and displacement of the rolled film in the conveying process is prevented.

The utility model relates to the technical field of sealing detectors, in particular to a vacuum sealing detector with feeding and discharging functions, which comprises a case, two ends of the case are respectively provided with a conveying component I and a conveying component II, and the conveying component I and the conveying component II are used for conveying test samples. Then, the transverse moving mechanism transfers the test sample from the first conveying part to the sealing detection part for detection, after detection is completed, the transverse moving mechanism transfers the test sample from the sealing detection part to the second conveying part again, and finally, the second conveying part is responsible for discharging the test sample, and the whole detection process is completed. Secondly, in the utility model, after the detection is finished, the drying mechanism can dry the test sample to remove residual moisture, and meanwhile, the guide mechanism is used for centering and positioning the test sample to ensure the accuracy of the sample in the conveying process and facilitate the transverse moving mechanism to effectively transfer the test sample.

The application discloses a rock sample processing device for mineral exploration, which comprises a first base, a shell, a driving mechanism, a cleaning assembly and a clamping assembly. The cleaning assembly comprises a first shaft seat and a second shaft seat, and a first supporting rod provided with a cleaning brush and a second supporting rod provided with a wiping dry brush are rotationally arranged on the first shaft seat and the second shaft seat respectively. The first supporting rod and the second supporting rod are connected through meshing of a first gear and a second gear. An adjusting assembly is used for automatically switching the cleaning brush and the wiping dry brush through a limiting boss, a limiting stop rod and an L-shaped top rod. The driving mechanism is used for controlling the cleaning assembly to move along a connecting groove through a lead screw, a light rod and a sliding seat. The device is designed through linkage of the cleaning and wiping dry functions, so that impurities are prevented from adhering to the wiping dry brush during the cleaning process. The adjusting assembly ensures that the cleaning brush is attached to the rock sample and is automatically switched to the wiping dry state, and the device is convenient to operate and reliable in structure. The device effectively solves the problems of improper treatment of residual moisture, separation of the cleaning and wiping dry functions and the like of the existing device, and improves the surface cleaning quality and the pretreatment stability of the rock sample.

The invention discloses a wiper for a belt conveyor, relates to the technical field of belt conveyors, and solves the problem that accumulated water and dust adhered to an open-air belt conveyor in rainy days are difficult to clean in the prior art. Comprising a conveying assembly, and the conveying assembly comprises a rack, a roller set and a conveying belt arranged on the roller set; the collecting and treating bin is fixedly connected to one side of the rack, a bin opening of the collecting and treating bin faces the conveying assembly, and a cleaning opening is formed in the bottom of the collecting and treating bin; the cleaning mechanism is used for cleaning residual water, dirt or adhesive substances on the surface of the conveying belt; the cleaning mechanism comprises a water scraping assembly and a negative pressure suction device. The water scraping assembly comprises a splayed electric push rod which is fixedly arranged on the top surface of the bin opening of the collecting and treating bin; by means of the design, dust attached to the conveying belt can be effectively removed, and the burden of manual cleaning is greatly relieved. In addition, according to the scheme, the surface of the conveying belt is rapidly dried, and powder materials are prevented from being attached to the conveying belt.

The invention relates to a microporous resin-metal composite die for wet compression molding of roof tiles, in particular to a die capable of improving the durability, the demolding effect and the appearance quality of the roof tiles. The mold is formed by combining a metal material and a microporous resin material, the inner wall of a mold cavity is covered with the microporous resin material, a plurality of drainage grooves are designed, adhesion of pug and the mold can be reduced through the action of an electric field in the pressing process, and it is ensured that a roof tile is easily demolded after being formed. The mold is simple in structure and convenient to operate, does not need to use a release agent, can greatly improve the production efficiency, effectively absorbs residual water through the water absorption effect of the microporous resin and the design of the drainage grooves, and improves the continuous working capacity of the mold. Compared with the prior art, the mold has the advantages that the service life is longer, the production efficiency is higher, the pressed roof tiles have clear edges and corners and stereoscopic impression, and the appearance quality is more exquisite. The die is suitable for pressing various roof tile products, and has a wide application prospect.

The utility model relates to the technical field of bridge detection equipment, in particular to a bridge support visual detection device which comprises a movable base and a lifting mechanism located above the movable base. The water supply mechanism is arranged between the movable base and the lifting mechanism; the horizontal movement adjusting mechanism is arranged at the upper end of the lifting mechanism; the mounting box body is connected with the horizontal movement adjusting mechanism; the high-pressure washing mechanism, the blow-drying mechanism and the camera are arranged on one side of the mounting box body and are sequentially arranged at intervals; the water supply mechanism is communicated with the high-pressure flushing mechanism, and the camera is connected with the display screen through a signal line; the device can wash away dust on the surface of the bridge support, blow-dry residual water, prevent the dust from covering crack, corrosion and other disease characteristics, improve the image acquisition quality, provide reliable basis for subsequent damage assessment, and assist in accurately judging the condition of the bridge support.

The utility model relates to the technical field of drying equipment. The utility model provides a drying device for thermal insulation material production, which is characterized in that a feed port and a discharge port are arranged on two opposite side walls of a device body, a drying assembly comprises an air heater, the air heater is arranged on the device body and used for blowing hot air to thermal insulation materials, and a stirring assembly is arranged in the device body and used for stirring the thermal insulation materials. The drainage assembly comprises a water collecting cavity and a top cover, the water collecting cavity is formed in the bottom of the device body, a first connecting frame is arranged in the water collecting cavity, an activated carbon plate is arranged on the first connecting frame, and one end of the top cover is hinged to the top of the water collecting cavity; and a plurality of through holes are uniformly formed in the top cover. The problems that a drying device can only remove residual moisture in the drying device in a thermal evaporation mode, the workload of the drying device is increased, and the drying efficiency of the thermal insulation material is reduced are solved.

The utility model relates to a drying and dust collecting device for copper smelting dust, and relates to the technical field of smelting dust treatment. The drying and dust collecting device for the copper smelting dust comprises a bag-type dust collector, a heat exchanger, a spiral conveyor, a pneumatic ash conveying machine and a controller. By arranging the heat exchanger, the temperature of air passing through the heat exchanger is increased, residual moisture on the surface of dust is evaporated in the dust cleaning process, and the dust is dried; and meanwhile, by arranging an electric control pipeline valve, blown dust can fall into the dust discharging hopper to be collected, the dust discharging hopper is heated by controlling an electric tracing band, the dust in the dust discharging hopper can be heated, further drying of the dust is achieved, and the dust drying effect is improved.

The present invention discloses a performance test platform for a lighting module, which relates to the field of working condition simulation testing, including a test box, wherein a middle test chamber and water storage chambers on both sides are provided in the test box, a vibration motor and a sprinkler head are provided in the test chamber, clean water and a water pump for pumping water are provided in the water storage chamber, and the sprinkler head is connected to the water pump through a water pipe. The test platform can simulate extreme working conditions in reality, and the entire test process is also carried out in a sealed chamber, and moisture will not splash out to affect the laboratory environment. When the sealed door is opened, suction will also be generated in the leaking seam to suck away the residual moisture, thereby preventing the residual moisture from leaking out and affecting the laboratory environment after the sealed door is opened.

The invention belongs to the technical field of ultrasonic cleaning and drying, and particularly relates to a wind cutting and drying system and process for tubular parts with multidirectional holes and multiple blind holes. The wind cutting and drying system comprises a first-stage wind cutting mechanism, a high-temperature drying mechanism, a second-stage wind cutting mechanism and a conveying mechanism used for conveying workpieces among the mechanisms. The first-stage air cutting mechanism adopts a plurality of high-pressure air nozzles in at least five directions to perform pulse air cutting on a through hole and a blind hole of a workpiece, the first-stage air cutting mechanism comprises at least four first-stage air cutting stations and a first-stage driving mechanism, and a plurality of first-stage high-pressure air nozzles for performing pulse air cutting on the workpiece from one or more directions are arranged on the first-stage air cutting stations; the second-stage wind cutting mechanism comprises a second-stage wind cutting station and a second-stage driving mechanism, and a plurality of second-stage high-pressure air nozzles which conduct pulse wind cutting on the workpiece from at least three directions are arranged on the second-stage wind cutting station. The parts pass through the first-stage wind cutting mechanism, the high-temperature drying mechanism and the second-stage wind cutting mechanism, residual moisture in blind holes is thoroughly removed, and thorough drying is achieved in the production takt.

The invention discloses a glass processing forming mold and a glass processing method, and relates to the technical field of glass processing forming molds, the glass processing forming mold comprises a base, a second mold is fixedly mounted on the surface of the base, a hydraulic cylinder is fixedly mounted on the upper surface of the base, and a hydraulic rod is slidably connected to the interior of the hydraulic cylinder; a hydraulic rod is arranged on the upper surface of the base, a mounting frame is fixedly connected to the end side of the hydraulic rod, a first mold is fixedly mounted on the end side of the mounting frame, the drying structure is arranged on the upper surface of the base, and the drying structure comprises two connecting plates fixedly connected to the upper surface of the base. The heat generated in the blowing process of the glass product is conveniently utilized to dry residual water on the surface of the produced glass product or water vapor generated in the cooling process, the heat supply work for personnel can be realized, and the recycling rate of the heat generated in the use process of the mold is improved; and the use performance of the glass processing and forming mold is further improved.

The utility model discloses a kind of metal closed container leak test post drying device, including cylinder, air guide mechanism and heating mechanism, cylinder is the structure of upper and lower opening, air guide mechanism is arranged at cylinder top, for the airflow is introduced into cylinder interior, heating mechanism is arranged in cylinder interior, for heating the airflow in cylinder, the side of cylinder is equipped with one or more exhaust port, for the heated airflow is discharged to cylinder outside.The utility model dries metal closed container using hot airflow, there is no dead angle, solve the problem that some areas residual moisture lead to rust, and improve drying efficiency.

The utility model discloses a printing and dyeing after-finishing tentering heat-setting dryer, and relates to the technical field of fabric processing. A printing and dyeing after-finishing tentering heat setting dryer comprises a processing machine table, a pretreatment structure and a drying structure are fixedly installed at the top of the processing machine table, and the pretreatment structure is located on the front side of the drying structure; according to the printing and dyeing after-finishing tentering heat-setting dryer, the pretreatment structure is arranged, a to-be-dried fabric can be guided and conveyed through a plurality of lap joint shafts, then an electric push rod is matched to drive an abutting strip to be in lap joint with the bottom face of the to-be-dried fabric gradually, and the contact pressure assembly of the abutting strip on the fabric is increased; according to the fabric drying device, the pressing strips are arranged, so that residual moisture on the fabric is gradually squeezed out through the pressing strips, then the residual moisture in the fabric is reduced, the situation that the moisture is too much when the fabric is dried is avoided, subsequent fabric drying is facilitated, the phenomenon that the fabric is not dried completely is avoided, and the processing efficiency of the fabric is remarkably improved.

The utility model discloses a high-temperature steam protection device for a compressed white tea production operating platform, which comprises an operating platform and has the beneficial effects that an output end of an air cylinder drives an outer fixing plate to adjust the height position by arranging the air cylinder and the outer fixing plate; an outer fixing plate drives an inner sliding supporting plate on the inner side of an adjusting support to adjust the height position, a top guide cylinder at the bottom of the inner sliding supporting plate is used for conducting steam guiding treatment on the top of a tea barrel placed on a steam engine, steam is guided out through the top guide cylinder, a first guide pipe and a second guide pipe, and an operator is prevented from being scalded by the steam; an operator only needs to regularly clean residual water in a top guide cylinder, a first guide pipe and a second guide pipe, and by arranging a fixing plate, a fixing bottom plate and a pulling plate, the operator pulls the pulling plate outwards, and the pulling plate drives the fixing bottom plate, a first limiting sliding rod, the fixing plate, an inner sliding supporting plate, an outer fixing plate and an adjusting support to move integrally.

The present invention discloses a method and device for drying foam carbon with high heat insulation, which relates to the technical field of foam carbon drying. The drying furnace body has furnace covers hermetically connected to both ends, and a heater is coaxially arranged inside the drying furnace body. A limiting sleeve is sleeved outside the heater, and a moving part capable of reciprocating along its axis is sleeved on the limiting sleeve. A spiral groove is arranged on the limiting sleeve, and the moving part is inserted and connected with the spiral groove in a matching manner. The moving part includes a rotating ring sleeved on the limiting sleeve. While the moving part moves on the limiting sleeve, the rotating ring rotates around the spiral groove. Through the cooperation of the moving part and the spiral groove, several clamping parts are driven to rotate while moving, so as to drive the material to be dried to rotate around the heat source, enabling the material to be in uniform contact with the heat source, improving the drying uniformity, preventing the problem that the local heating of the material is too fast, the residual moisture gasifies too fast, or gas is generated by the decomposition of substances, resulting in a large number of pores being damaged, and improving the forming quality of the foam carbon.

The invention relates to the technical field of color-coated coils, and discloses a color-coated coil base material pretreatment dust removal device which comprises a dust removal supporting and protecting mechanism, one side of the inner wall of the dust removal supporting and protecting mechanism is connected with a dust removal cleaning control mechanism, and the dust removal supporting and protecting mechanism comprises a supporting and protecting frame. One side of the supporting protection frame communicates with two guide pipes. Through the innovative dust removal and cleaning control mechanism, residual water on the surface of the base material is effectively removed through the transmission design that the cleaning transmission belt and the color-coated coil base material are opposite in direction; after the cleaning transmission belt makes contact with a base material, water is squeezed out through the squeezing shaft, the drying state of the transmission belt is kept, water stains on the surface of the base material are continuously and effectively absorbed, the problem that dust and rust stains are adsorbed again due to water stain residues is solved, accumulated water is cleaned in real time, and consumable items do not need to be frequently replaced; by means of the design, the pretreatment efficiency of the color-coated coil base material is remarkably improved, and invalid operation and production cost caused by water stain residues are reduced.

The utility model relates to the technical field of blow-drying devices, in particular to a linear blow-drying device for lettuce. The utility model provides a linear blow-drying device for lettuce, which comprises a rack, a conveying belt for conveying materials is arranged above the ground in the length direction of the upper part of the rack, a cover body for improving leakproofness is arranged in the middle of the upper part of the conveying belt, and a flexible partition curtain is vertically arranged in the middle of the cover body; one side of the partition curtain is provided with a water blowing assembly for performing surface moisture blowing operation on the cleaned basket-loaded lettuce in a normal-temperature air blowing mode, and the other side of the partition curtain is provided with a drying assembly for performing residual moisture drying operation on the basket-loaded lettuce subjected to water blowing in a high-temperature air blowing mode; according to the linear blow-drying device for the lettuce, the normal-temperature air-blowing water blowing assembly and the high-temperature air-blowing drying assembly are designed, surface moisture blowing and residual moisture drying operation is conducted on the lettuce in a normal-temperature air-blowing mode and a high-temperature air-blowing mode, and the problem that the lettuce is damaged in the vibration water filtering process is solved.

This invention relates to the field of monitoring and management of coal-based graphite purification, specifically disclosing a data acquisition, optimization, and analysis system for coal-based graphite purification. This invention achieves adaptive optimization of key process parameters in each stage of coal-based graphite purification, better ensuring production efficiency and product quality. This is achieved by initially setting process parameters for raw material pretreatment and optimizing them based on the particle size distribution after pretreatment; initially setting process parameters for acid leaching and optimizing them based on the acid consumption rate and exothermic reaction temperature; initially setting process parameters for alkali neutralization and optimizing them based on the neutralization rate; initially setting process parameters for washing and dehydration and optimizing them based on the conductivity of the washing liquid and the moisture content of the filter cake; and initially setting process parameters for drying and optimizing them based on the residual moisture content after drying.

The invention discloses a dew-point instrument purging mechanism and a dew-point instrument service life prolonging method. The dew-point instrument purging mechanism comprises a detection gas inlet pipeline, a detection pipe, a gas exhaust pipeline and a purging pipeline, and the detection gas inlet pipeline is used for conveying to-be-detected gas; the input end of the detection pipe is connected with the detection gas inlet pipeline, and a dew point sensor is arranged in the detection pipe; the exhaust pipeline is connected with the output end of the detection pipe, and detected gas enters the exhaust pipeline from the output end of the detection pipe to be exhausted; the purging pipeline is connected with the input end of the detection pipe, the purging pipeline is connected with a pure air source, and the purging pipeline continuously conveys pollution-free air into the detection pipe after detection is completed or during a non-detection period. The purging pipeline continuously conveys pollution-free air to the detection pipe in the non-detection period, residual moisture and pollutants can be effectively removed, the dew point sensor is protected against corrosion or pollution, the service life is prolonged, and the reliability and stability of an instrument are improved.